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 <h1>范例</h1>

 <p class="para">
  该范例打开一个临时文件并写入了一个测试字符串，然后输出该文件里的内容。
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 <div class="example" id="example-703">
  <p><strong>示例 #1 bzip2 小例子</strong></p>
  <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br /><br />$filename&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #DD0000">"/tmp/testfile.bz2"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$str&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #DD0000">"This&nbsp;is&nbsp;a&nbsp;test&nbsp;string.\n"</span><span style="color: #007700">;<br /><br /></span><span style="color: #FF8000">//&nbsp;打开一个文件用于写入<br /></span><span style="color: #0000BB">$bz&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">bzopen</span><span style="color: #007700">(</span><span style="color: #0000BB">$filename</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"w"</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">//&nbsp;写入字符串到文件<br /></span><span style="color: #0000BB">bzwrite</span><span style="color: #007700">(</span><span style="color: #0000BB">$bz</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$str</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">//&nbsp;关闭文件<br /></span><span style="color: #0000BB">bzclose</span><span style="color: #007700">(</span><span style="color: #0000BB">$bz</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">//&nbsp;打开文件用于读取<br /></span><span style="color: #0000BB">$bz&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">bzopen</span><span style="color: #007700">(</span><span style="color: #0000BB">$filename</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"r"</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">//&nbsp;读取&nbsp;10&nbsp;个字符<br /></span><span style="color: #007700">echo&nbsp;</span><span style="color: #0000BB">bzread</span><span style="color: #007700">(</span><span style="color: #0000BB">$bz</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">10</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">//&nbsp;输出直到文件末尾（或者后面的&nbsp;1024&nbsp;个字符），并关闭。&nbsp;<br /></span><span style="color: #007700">echo&nbsp;</span><span style="color: #0000BB">bzread</span><span style="color: #007700">(</span><span style="color: #0000BB">$bz</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">bzclose</span><span style="color: #007700">(</span><span style="color: #0000BB">$bz</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
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